Short Wave Coil

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Short Wave Coil

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pwdrive

Senior Engineer in Charge

Posts: 7,416
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Location: Cornwall

#9

20-10-2016, 09:53 AM (This post was last modified: 20-10-2016, 10:06 AM by pwdrive.)

Fix one end firm and wind bifflar with a spacing wire, secure finished end firm then unwind the spacer wire.

EDIT: If it's air core then you could try this technique (also shows a spacer wire or cord):

http://www.arrl.org/files/file/Technolog...708033.pdf

Lawrence.

http://www.gridwatch.templar.co.uk/index.php

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Messages In This Thread

Short Wave Coil - by Sparks - 19-10-2016, 06:45 PM

RE: Short Wave Coil - by AlanBeckett - 19-10-2016, 07:10 PM

RE: Short Wave Coil - by Hartley118 - 19-10-2016, 09:09 PM

RE: Short Wave Coil - by Sparks - 19-10-2016, 09:32 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 06:56 AM

RE: Short Wave Coil - by Sparks - 20-10-2016, 08:55 AM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 09:00 AM

RE: Short Wave Coil - by Sparks - 20-10-2016, 09:29 AM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 09:53 AM

RE: Short Wave Coil - by Mark Hennessy - 20-10-2016, 12:15 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 12:15 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 12:24 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 12:45 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 12:52 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 01:01 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 02:33 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 02:40 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 02:48 PM

RE: Short Wave Coil - by Mike Watterson - 20-10-2016, 03:24 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 03:41 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 04:12 PM

RE: Short Wave Coil - by Hartley118 - 20-10-2016, 04:11 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 05:25 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 05:34 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 05:51 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 06:01 PM

RE: Short Wave Coil - by Mike Watterson - 20-10-2016, 06:11 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 06:29 PM

RE: Short Wave Coil - by Mike Watterson - 20-10-2016, 07:39 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 08:29 PM

RE: Short Wave Coil - by Mike Watterson - 21-10-2016, 06:58 AM

RE: Short Wave Coil - by Sparks - 21-10-2016, 07:29 AM

RE: Short Wave Coil - by Mike Watterson - 21-10-2016, 09:42 AM

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